[Mageia-dev] i686 must be Pentium II ?

Sat Sep 25 17:17:37 CEST 2010

On 09/25/2010 09:16 AM, R James wrote:
+> On Sat, Sep 25, 2010 at 4:59 AM, Patrice BRUNELLE
+> <patrice.brunelle at free.fr>  wrote:
+>> Le vendredi 24 septembre 2010 à 15:51 -0500, R James a écrit :
+>>>
+>>> Technically, the i686 started with the Pentium Pro.  (Remember that?  :o)
+>>>
+>>> http://en.wikipedia.org/wiki/P6_(microarchitecture)
+>>
+>> Yes I remember that. And ?
+>>
+> Its just a precision to the subject title.  i686 began with the
+> Pentium Pro, not Pentium II.
+>
+> I'm not sure what performance benefits can be gained from compiling
+> for i686 vs i586.  Probably not much except for multimedia
+> applications which most of those can auto-detect the CPU's
+> capabilities anyways.
+>
+
+Just for reference, the Fedora Project was changed from i586 to i686:
+
+https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild#Driving_Features
+https://fedoraproject.org/wiki/Features/F12X86Support
+http://www.mail-archive.com/fedora-devel-list@redhat.com/msg02583.html
+http://www.mail-archive.com/fedora-devel-list@redhat.com/msg02889.html 
+(with 'benchmarks')
+http://fedoraproject.org/wiki/FWN/Issue162#Fedora_11_Will_Support_i586_Instruction_Set
+
+> There are still people running AMD K6's (ie: me) which is also i586.
+> If we compile for i686 and newer, they won't even be able to boot the
+> installer.
+>
+> Therefore, I agree with the decision to keep i586 support.
+
+I agree too.
+
+-- 
+Filipe
+Rio Grande do Sul, Brazil
+